{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{tabular}{llcccc}
\hline\hline
\multirow{2}{*}{Asset type} & Estimate & Std. Err. & Obs. & $R^{2}$ & Sample \\
                    \cline{2-6}
                    & (1) & (2) & (3) & (4) & (5) \\                    
\hline
    \\
\multicolumn{6}{l}{\textbf{Panel B: Equities}} \\
SPY&       -0.23   &      (0.52)   &        1033   &        0.00   &   1995-2017   \\
IWM&        0.18   &      (0.58)   &         876   &        0.00   &   2000-2017   \\
SP500\( ^\dag\)&        3.61   &      (2.74)   &         974   &        0.00   &   1995-2016   \\
Russell 2000\( ^\dag\)&        6.26*  &      (3.25)   &         974   &        0.01   &   1995-2016   \\
\hline\hline
    \end{tabular}
    }
    